Bede

Now the wall was completed on the twenty-fifth day of the month Elul, etc. The month Elul, according to the Hebrews, is the sixth month of the year, which the Romans call September. And rightly is the wall of the holy city completed in the sixth month of the year, so that the perfect action of the faithful, whether penitents or innocents, is also designated in this ultimate time. …

Commentary on Ezra and Nehemiah ↗